Carl Sagan - Cosmos- Stars - We Are Their Children carlsagandotcom 2:42 15 years ago 325 001 Далее Скачать
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Carl Sagan on the total number of stars in our Universe XXXSDESDEXXX 2:35 16 years ago 103 901 Далее Скачать
Astronomer Carl Sagan on children and their curious questions #astrophysics The Science Fact 0:29 1 year ago 47 628 397 Далее Скачать
Carl Sagan - Cosmos - A Journey into the Cosmos carlsagandotcom 2:29 15 years ago 101 575 Далее Скачать
Babylon 5 - We are Star Stuff with Delenn and Carl Sagan JK Visions 3:23 2 years ago 1 367 Далее Скачать
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Carl Sagan teaching school children about the Universe XXXSDESDEXXX 8:44 16 years ago 131 051 Далее Скачать
